What’s Vulnerable › Vulnerabilities

CVE-2018-16731

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-09-08 · updated 2026-06-17
• Weakness: CWE-434

Description

CScms 4.1 allows arbitrary file upload by (for example) adding the php extension to the default filetype list (gif, jpg, png), and then providing a .php pathname within fileurl JSON data.

Affected products

• chshcms Cscms: 4.1

References

• https://github.com/AvaterXXX/CScms/blob/master/CScms_up.md
• https://www.patec.cn/newsshow.php?cid=24&id=123
• https://github.com/AvaterXXX/CScms/blob/master/CScms_up.md
• https://www.patec.cn/newsshow.php?cid=24&id=123

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